I hope you are working with a kitchen specialist / interior designer. You and your home value would greatly benefit from someone who has done period craftsman kitchens before.

You have so much opportunity to take this gorgeous home to the next level with this as was obviously not done originally. Doing a kitchen that lives modern but looks craftsman will be so gorgeous - but you need professional assistance in detailed review. How much to do depends on your neighborhood as well as your budget. This is one house where gorgeous trimmed out painted cabinetry with period detail could make your home increase in value twice what it costs, but would budgeting that impact your appliance level. All of these factors need to work together to hit your budget and needs.

I see how the flow of traffic comes in and then goes out. Your traffic flow through the kitchen to the back door beyond is more important than symmetry with the front. These decisions will need to be made with a lot more information / floor plan for kitchen / work triangle / review of what services are where / can be moved easily can't be moved easily / what is now in / how to incorporate back hall / additional pantry? space into kitchen remodel.

You may want to have circulation on the window wall to connect to the back door and allow the work triangle not to be interrupted with traffic. Another positive is that light is borrowed through the house, but sightlines are gone. That now leaves the scullery area on full display - if well designed, you could end up with a butler's pantry look there, an apron sink, and a window that matches the craftsman charm and profile. This might offer a better work triangle in the other space where passerby don't come through. You may want some closed and some open island / peninsula from the common wall so the cook isn't isolated, and more wall cabinets. You could take over some of the dining room across from the window wall / integrate the two more because it is quite wide and allow the kitchen to add to the charm of your home - all of these factors and more lead me to suggest you start googling professionals in your area and look at their galleries. If you drew a floor plan and uploaded it here, you will start to get more ideas.

I think you are on the right track to close some of the walls off, but also see some opportunities that shouldn't be missed. Think about the woman in the cockpit of the kitchen, and what she needs to be able to survey while she cooks - supervising homework, snacks, buffets, etc. Open kitchens happened because servants weren't cooking anymore, but there are ways to make yours true to the period, close off part to give you more functional work triangle and bring it back to the period charm of your home. This is one place where you will save money in the long run if you let a professional help you.